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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Can't turn on laptop screen without changing its resolution first"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70406#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Can't turn on laptop screen without changing its resolution first"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70406">bug 70406</a>
from <span class="vcard"><a class="email" href="mailto:reztho@archlinux.us" title="reztho@archlinux.us">reztho@archlinux.us</a>
</span></b>
<pre>It is the backlight.
After the first modeset, I can increase it with both, your xrandr command or
directly to /sys/class/backlight/intel_backlight/brightness and see that
actually the first modeset activated the screen but with the backlight at 0.</pre>
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